A:
Positive:
1 x 4026353597 x 5751933743 x 9363613301 x 1337659619 x 6504612161 x 1863194333 x 9292315127 x 26617
Negative:
-1 x -402635359-7 x -57519337-43 x -9363613-301 x -1337659-619 x -650461-2161 x -186319-4333 x -92923-15127 x -26617
Unfortunately, there's not simple formula to identifying all of the factors of a number and it can be a tedious process when trying to identify the divisors of larger numbers. To find the factor combinations of the number 402,635,359, it is easier to work with a table - it's called factoring from the outside in.
We start by creating a table and writing 1 on the left side and then the number we're trying to find the factors for on the right side in a table. Then, below that, write the numbers as a negative as well.
| 1 | 402,635,359 | |
| -1 | -402,635,359 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 402,635,359.
Example:
1 x 402,635,359 = 402,635,359
and
-1 x -402,635,359 = 402,635,359
Notice both answers equal 402,635,359
With that explanation out of the way, let's continue. Next, we take the number 402,635,359 and divide it by 2:
402,635,359 ÷ 2 = 201,317,679.5
If the quotient is a whole number, then 2 and 201,317,679.5 are factors. In this case, the quotient is not a whole number. Don't write anything down and try the next divisor.
Here is what our table should look like at this step:
| 1 | 402,635,359 | |
| -1 | -402,635,359 |
Now, we try dividing 402,635,359 by 3:
402,635,359 ÷ 3 = 134,211,786.3333
If the quotient is a whole number, then 3 and 134,211,786.3333 are factors. In this case, the quotient is not a whole number. Don't write anything down and try the next divisor.
Here is what our table should look like at this step:
| 1 | 402,635,359 | |
| -1 | -402,635,359 |
Let's try dividing by 4:
402,635,359 ÷ 4 = 100,658,839.75
If the quotient is a whole number, then 4 and 100,658,839.75 are factors. In this case, the quotient is not a whole number. Don't write anything down and try the next divisor.
Here is what our table should look like at this step:
| 1 | 402,635,359 | |
| -1 | 402,635,359 |
If you did it right, you will end up with this table:
| 1 | 7 | 43 | 301 | 619 | 2,161 | 4,333 | 15,127 | 26,617 | 92,923 | 186,319 | 650,461 | 1,337,659 | 9,363,613 | 57,519,337 | 402,635,359 |
| -1 | -7 | -43 | -301 | -619 | -2,161 | -4,333 | -15,127 | -26,617 | -92,923 | -186,319 | -650,461 | -1,337,659 | -9,363,613 | -57,519,337 | -402,635,359 |
Here are some more numbers to try:
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